22248613 has 8 divisors (see below), whose sum is σ = 23263488. Its totient is φ = 21237744.

The previous prime is 22248593. The next prime is 22248643. The reversal of 22248613 is 31684222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22248613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22248643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19620 + ... + 20722.

It is an arithmetic number, because the mean of its divisors is an integer number (2907936).

Almost surely, 2^22248613 is an apocalyptic number.

22248613 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22248613 is a deficient number, since it is larger than the sum of its proper divisors (1014875).

22248613 is a wasteful number, since it uses less digits than its factorization.

22248613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003.

The product of its digits is 4608, while the sum is 28.

The square root of 22248613 is about 4716.8435420310. The cubic root of 22248613 is about 281.2554719594.

The spelling of 22248613 in words is "twenty-two million, two hundred forty-eight thousand, six hundred thirteen".